The Marlon Byrd, The Witch, and The Wardrobe?

Sometimes I think that names are spelled peculiarly for a reason. For example, Marlon Byrd spells his last name with a "y." Why? Would it not make sense to be Marlon Bird? It's a clue, you see, into his real identity. Don't you find it disturbingly odd that the spelling of "Byrd" and the word…